Re: [PATCH 06/27] clk: sunxi-ng: h6: Set video PLLs limits

From: kbuild test robot
Date: Tue Sep 04 2018 - 11:37:14 EST


Hi Jernej,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on sunxi/sunxi/for-next]
[also build test WARNING on v4.19-rc2 next-20180831]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Jernej-Skrabec/Allwinner-H6-DE3-and-HDMI-support/20180903-082543
base: https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git sunxi/for-next
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=arm
:::::: branch date: 2 hours ago
:::::: commit date: 2 hours ago

All warnings (new ones prefixed by >>):

>> drivers/clk/sunxi-ng/ccu-sun50i-h6.c:124:2: warning: this decimal constant is unsigned only in ISO C90
.max_rate = 2400000000,
^
drivers/clk/sunxi-ng/ccu-sun50i-h6.c:142:2: warning: this decimal constant is unsigned only in ISO C90
.max_rate = 2400000000,
^

# https://github.com/0day-ci/linux/commit/752a88510f0bcada69753fccb31adb187f80f29a
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 752a88510f0bcada69753fccb31adb187f80f29a
vim +124 drivers/clk/sunxi-ng/ccu-sun50i-h6.c

524353ea4 Icenowy Zheng 2018-03-16 111
524353ea4 Icenowy Zheng 2018-03-16 112 /*
524353ea4 Icenowy Zheng 2018-03-16 113 * For Video PLLs, the output divider is described as "used for testing"
524353ea4 Icenowy Zheng 2018-03-16 114 * in the user manual. So it's not modelled and forced to 0.
524353ea4 Icenowy Zheng 2018-03-16 115 */
524353ea4 Icenowy Zheng 2018-03-16 116 #define SUN50I_H6_PLL_VIDEO0_REG 0x040
524353ea4 Icenowy Zheng 2018-03-16 117 static struct ccu_nm pll_video0_clk = {
524353ea4 Icenowy Zheng 2018-03-16 118 .enable = BIT(31),
524353ea4 Icenowy Zheng 2018-03-16 119 .lock = BIT(28),
524353ea4 Icenowy Zheng 2018-03-16 120 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
524353ea4 Icenowy Zheng 2018-03-16 121 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
524353ea4 Icenowy Zheng 2018-03-16 122 .fixed_post_div = 4,
752a88510 Jernej Skrabec 2018-09-02 123 .min_rate = 288000000,
752a88510 Jernej Skrabec 2018-09-02 @124 .max_rate = 2400000000,
524353ea4 Icenowy Zheng 2018-03-16 125 .common = {
524353ea4 Icenowy Zheng 2018-03-16 126 .reg = 0x040,
524353ea4 Icenowy Zheng 2018-03-16 127 .features = CCU_FEATURE_FIXED_POSTDIV,
524353ea4 Icenowy Zheng 2018-03-16 128 .hw.init = CLK_HW_INIT("pll-video0", "osc24M",
524353ea4 Icenowy Zheng 2018-03-16 129 &ccu_nm_ops,
524353ea4 Icenowy Zheng 2018-03-16 130 CLK_SET_RATE_UNGATE),
524353ea4 Icenowy Zheng 2018-03-16 131 },
524353ea4 Icenowy Zheng 2018-03-16 132 };
524353ea4 Icenowy Zheng 2018-03-16 133

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